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Stellar Occultation by (87720) 2000 SS45 on 2025-10-02 (02:55:21 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
Occultation UUID [and db] : 841a9160-ddb8-11f0-547e-283e3fefd380 [observed] Occultation Date + Time : 2025-10-02 at 02:55:21 UT +/- 0.01 min [1] Object Designation : (87720) 2000 SS45 Star Designation : GDR3 3399272074244307712 Star Coordinates (ICRF) : RA = 05 47 38.1692, DE = +19 22 00.805 [2] Star Magnitudes : G = 14.02 mag, RP = 12.83 mag, BP = 13.87 mag Object Magnitude : V = 19.76 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 3.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4183 arcs/min @ PA = 119 deg Horizontal Parallax : 4.2160 arcs Dynamical Class : MBA Elongation to Moon & Sun : 143° (sunlit = 71%), Sun = 102° Cross-track uncertainty : 2.9 mas = 4 km = 1.33 path-width (1-sig) RUWE and duplicate source : 1.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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